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Shâhîd Kâshmîrí
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Resultant=451.45N and direction is upwards
Improve your question (language)and where is figure
Average speed = Total distance covered/total time taken.Now avg speed in going from one city to other=360/4.2=85.71 Km\h. Similarly avg speed in returning the trip =360/3=120Km/h Average velocity=Displacement/time taken Avg velocity in going from one city